byFrémont, John Charles, 1813-1890; Torrey, John, 1796-1873; Hall, James, 1811-1898; Preuss, Charles, 1803-1854; United States. Army. Corps of Engineers
Notice to the reader -- A report on an exploration of the country lying between the Missouri River and the Rocky Mountains, on the line of the Kansas and Great Platte Rivers  -- Catalogue of plants collected by Lieutenant Frémont in his expedition to the Rocky Mountains / by John Torrey -- A report of the exploring expedition to Oregon and north California, in the years 1843-'44 -- Appendix A: Nature of the geological formations occupying the portion of Oregon and north California... Topics: Discoveries in geography, Paleontology, Botany, Geology, Paleontology, Botany, Geology, Astronomy,...